diff --git a/php.ini b/php.ini
index 9b0ba5e..f22ba32 100644
--- a/php.ini
+++ b/php.ini
@@ -6,3 +6,7 @@ max_execution_time=30
 session.use_strict_mode=On
 realpath_cache_ttl=3600
 zend.detect_unicode=Off
+# uncomment on PHP 7.4+ and Symfony 4.4
+#opcache.preload=/app/var/cache/prod/srcApp_KernelProdContainer.preload.php
+# uncomment on PHP 7.4+ and Symfony 5.0+
+#opcache.preload=/app/var/cache/prod/App_KernelProdContainer.preload.php